/*
 * Copyright 2008 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.dopdf.document.filter;

import javax.servlet.*;
import java.io.IOException;

/**
 * A empty implementation of filter so that we do not need to keep implementing all the methods of the Filter interface.
 *
 * @author Deep Shah
 */
public class AbstractFilter implements Filter {

    /**
     * {@inheritDoc}
     */
    public void init(final FilterConfig filterConfig) throws ServletException {
    }

    /**
     * {@inheritDoc}
     */
    public void doFilter(final ServletRequest servletRequest,
                         final ServletResponse servletResponse,
                         final FilterChain filterChain) throws IOException, ServletException {
    }

    /**
     * {@inheritDoc}
     */
    public void destroy() {
    }
}
